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J2EE Search的增删查改及检索初步实现 |
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for (Book book : books) {
fullTextEntityManager.index(book);
}
}
public void allSearch(String s,ApplicationContext ctx) throws ParseException{
EntityManager em=getJpaTemplate().getEntityManagerFactory().createEntityManager(); //这样取得EntityManger，若为getJpaTemplate().getEntityManager();结果为null
makeIndex(em);
FullTextEntityManager fullTextEntityManager = Search.createFullTextEntityManager(em);
MultiFieldQueryParser parser = new MultiFieldQueryParser( new String[]{"id", "name"},new StandardAnalyzer());
org.apache.lucene.search.Query query = parser.parse(s);
FullTextQuery hibQuery = fullTextEntityManager.createFullTextQuery( query, Book.class );
List<Book> result = hibQuery.getResultList();
System.out.println(result);
}
}
Main:
数据挖掘研究院
package com.main;
import org.apache.lucene.queryParser.ParseException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.jpa.BookDAO;
public class TestMain {
public static void main(String[] args) throws ParseException {
String s="book1";
ApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext.xml");
BookDAO bd=BookDAO.getFromApplicationContext(ctx);
bd.allSearch(s,ctx);
}
}
增删查改很简单，读者自行试验，配置均已完成！
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